Summer 2025 Quantitative Developer Intern

Job Description

About Susquehanna

Susquehanna is a global quantitative trading firm founded with a growth mindset and an analytical approach to decision making. As one of the largest proprietary trading firms in the world, Susquehanna benefits the financial markets by providing liquidity and ensuring competitive prices for buyers and sellers. They bring together the brightest minds, the best technology, and an expansive library of data to design and implement quantitative trading strategies that make them leaders in the financial markets. Beyond trading, Susquehanna is active in global private equity, institutional brokerage, sports analytics, and structured capital.

Quantitative Developer Internship

This 10-week summer internship program at Susquehanna offers a unique opportunity to join an elite team building powerful trading systems within the finance industry. As a Quantitative Development Intern, you’ll play a crucial role in developing computationally intensive systems that support both active trading and quantitative analysis related to trading.

Here’s what you’ll be involved in:

• Challenging Projects: Work on projects related to systems supporting active trading and quantitative analysis.
• Collaboration with Experts: Learn from senior developers who understand the nuances of building complex trading strategies.
• Data-Driven Insights: Gain access to tens of petabytes of market and trading data for analysis.
• Technology Exploration: Learn about Susquehanna’s technology and its impact on trading strategies from senior technologists.

This internship is a perfect fit for you if:

• You have a minimum of a Bachelor’s degree in Computer Science, Mathematics, or a closely related discipline (Bachelors, MS, PhD).
• You have experience developing performance-sensitive code.
• You possess strong software development skills in C#, C++, or Python.
• You have experience with numerical programming or HPC (High-Performance Computing), which is a plus.

Benefits:

• Fully-Furnished Housing: Enjoy comfortable accommodations for the duration of your internship.
• Relaxed Dress Code: Jeans and sneakers are the norm, with shorts allowed throughout the summer.
• State-of-the-Art Gym: Access a 9,000 square-foot gym equipped with cardio, CrossFit, and strength machines.
• Social Events: Participate in events such as dinners in Philadelphia, sporting events, and more.
• Exclusive Discounts: Enjoy discounts for shopping, travel, dining, entertainment, and attractions.
• On-Site Services: Convenient access to services like dry cleaning, auto repair and detailing, a barber, and an ATM.
• Wellness Center: Benefit from an on-site Wellness Center staffed with a full-time Nurse Practitioner.

To learn more about the Susquehanna culture and what it’s like to work there, visit their campus programs site, where you can take a virtual office tour, meet employees, and learn about their unique culture.